At present, there is a great interest in increasing the power level of terahertz (THz) radiation
sources. Aimed to improve the output power of sheet electron-beam devices, a sub-THz …

The dispersion and dielectric attenuation characteristics of a double-staggered grating
waveguide (DSGW) are two crucial features related to the output characteristics of a sheet …

Normally, the conventional sheet beam extended interaction oscillator (SB-EIO) operates in
a single mode and has a narrow tunable bandwidth. To broaden the tunable bandwidth, the …

The design and cold test verification for a 220-GHz sheet beam traveling-wave tube (SB-
TWT) are presented in this article. Although there are numerous studies regarding the …

A traveling-wave tube (TWT) with a sheet electron beam and staggered double-grating slow-
wave structure (SWS) is a promising high-power, wideband terahertz amplifier. In such …

Staggered double-grating slow-wave structures (SDG-SWSs), which are easy to fabricate
and have broadband characteristics, play a core role in research on high-power terahertz …

The study of three types of magnetic focusing structures for terahertz band sheet beam
traveling wave tubes (SB-TWTs) is presented in this article. Although there are a lot of …

A novel methodology for the beam-wave division/combination in a sheet beam traveling
wave amplifier (SB-TWT) is proposed. The design, microfabrication, and measurement of an …

The great challenge in fabrication is one of the most significant factors for hindering the
development of subterahertz sheet beam traveling wave amplifiers (SB-TWAs). Therefore, it …

The design of a novel band-edge oscillator based on double-staggered grating waveguides
(DSGWs) is presented in this article. For a traveling wave tube (TWT), the band-edge …